Advances in Digital Terrain Analysis (eBook)

Preface 5
Contents 7
List of Contributors 11
Introduction 16
Advances in Digital Terrain Analysis: The TADTM Initiative 17
Section 1: Digital Representation for Terrain Analysis 25
Quantification of Terrain Processes 27
Models of Topography 43
Multi-Scale Digital Terrain Modelling and Analysis 73
A Seamless and Adaptive LOD Model of the Global Terrain Based on the QTM 99
Section 2: Morphological Terrain Analysis 119
Landform Classification of the Loess Plateau Based on Slope Spectrum from Grid DEMs 121
Segmentation-based Terrain Classification 139
Terrain Segmentation and Classification using SRTM Data 155
Modelling Terrain Complexity 173
DEM-based Analysis of Local Relief 191
Re-Scaling Lower Resolution Slope by Histogram Matching 207
Section 3: Hydrological Terrain Analysis 225
Water in the Landscape: A Review of Contemporary Flow Routing Algorithms 227
An Integrated Raster-TIN Surface Flow Algorithm 251
DEM-based Modelling and Simulating of Modern Landform Evolution of Loess 271
Section 4: Uncertainty in Terrain Analysis 291
Assessing Uncertainties in Derived Slope and Aspect from a Grid DEM 293
Accuracy Assessment of DEM Slope Algorithms Related to Spatial Autocorrelation of DEM Errors 321
Modelling Slope Field Uncertainty Derived From DEM in the Loess Plateau 337
The Impact of Neighbourhood Size on Terrain Derivatives and Digital Soil Mapping 347
The Impact of DEM Error on Predictive Vegetation Mapping 363
Section 5: Applications of Terrain Analysis 377
Global Lineaments: Application of Digital Terrain Modelling 379
Modelling Channelling and Deflection of Wind by Topography 397
Spatial Correlation of Topographic Attributes in Loess Plateau 421
Terrain-based Revision of an Air Temperature Model in Mountain Areas 439
National Mapping of Landform Elements in Support of S-Map, A New Zealand Soils Database 457
Concluding Remarks 473
Progress in Digital Terrain Analysis 475